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        <p>Library Version 12.1.6.2</p>
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            <h2 class="title" style="clear: both"><a id="set_region_dir_parameter"></a>set_region_dir</h2>
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      <p>
                Sets the path of the directory to be used as the location
                of disk-backed region files.  Region files created by the
                Memory Pool subsystem will be created in this directory.
                If no region directory is specified, region files are
                created in the environment home directory.
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                 The syntax of this parameter in the <a href="../../programmer_reference/env_db_config.html#env_db_config.DB_CONFIG" class="olink">DB_CONFIG</a> file is a
                 single line with the string <code class="literal">set_region_dir</code>,
                 one or more whitespace characters, and the directory name. 
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      <p>For more information, see <a class="xref" href="envset_region_dir.html" title="DB_ENV-&gt;set_region_dir()">DB_ENV-&gt;set_region_dir()</a>. </p>
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